S
M
T
W
T
F
S
29
44°
35°
30
43°
35°
1
45°
33°
2
44°
36°
3
43°
38°
4
46°
36°
5
45°
35°
6
43°
33°
7
42°
32°
8
42°
32°
9
43°
38°
10
44°
40°
11
50°
38°
12
48°
35°
13
47°
32°
14
46°
37°
15
46°
37°
16
49°
38°
17
45°
40°
18
49°
40°
19
50°
37°
20
49°
34°
21
46°
31°
22
42°
35°
23
44°
33°
24
47°
32°
25
42°
31°
26
43°
35°
27
47°
37°
28
42°
30°
29
Hist. Avg.
46°
37°
30
Hist. Avg.
47°
37°
31
Hist. Avg.
47°
37°
1
Hist. Avg.
47°
37°
2
Hist. Avg.
47°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Federal Way
Federal Way's December 2026 forecast shows daily high temperatures ranging from 42° to 50°, with overnight lows between 30° and 40°. The average high for December is 45° with an average low of 35°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Federal Way. See also: January | February | March.
